| Similarity | Rank | |
|---|---|---|
| post-industrial | 0.728 | 73103 |
| industrialised | 0.690 | 59981 |
| civilisation | 0.679 | 28525 |
| industrialized | 0.677 | 25634 |
| mid-20th | 0.676 | 75724 |
| Pleistocene | 0.674 | 71860 |
| pre-modern | 0.672 | 96527 |
| epochs | 0.672 | 73308 |
| hunter-gatherer | 0.669 | 80285 |
| hunter-gatherers | 0.663 | 82808 |
| industrialization | 0.657 | 34606 |
| industrialisation | 0.656 | 73002 |
| civilisations | 0.649 | 60506 |
| Holocene | 0.649 | 86928 |
| civilization | 0.643 | 8055 |
| Neolithic | 0.641 | 43645 |
| extinctions | 0.637 | 71406 |
| sea-level | 0.632 | 63584 |
| atmospheric | 0.629 | 13066 |
| prehistory | 0.628 | 66138 |
| Cretaceous | 0.627 | 59402 |
| 2050 | 0.627 | 24316 |
| anthropogenic | 0.626 | 46957 |
| mid-century | 0.624 | 49025 |
| Celsius | 0.624 | 23845 |